--- Pekka J Enberg <penberg@xxxxxxxxxxxxxx> wrote:
> Please apply this patch to your kernel and try to reproduce:
Ta-DA!!!!!!!!!!!!!!!!!!!!
BUG: unable to handle kernel paging request at virtual address 6b6b6d6b
printing eip:
c0130113
*pde = 00000000
Oops: 0002 [#1]
PREEMPT SMP
last sysfs file: /class/net/eth2/statistics/collisions
Modules linked in: snd_rtctimer radeon drm pwc eeprom cpufreq_ondemand p4_clockmod speedstep_lib
nfsd exportfs ipv6 autofs4 nfs lockd sunrpc af_packet firmware_class binfmt_misc video thermal
processor fan button video1394 raw1394 ac lp parport_pc parport nvram eth1394 compat_ioctl32
videodev v4l2_common v4l1_compat snd_usb_audio snd_usb_lib sd_mod sg snd_emu10k1_synth
snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_emu10k1 snd_rawmidi snd_ac97_codec ohci1394
ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event ieee1394 snd_seq snd_pcm_oss sata_sil
ehci_hcd uhci_hcd snd_mixer_oss libata e7xxx_edac edac_mc snd_pcm e1000 i2c_i801 i2c_core ide_cd
intel_agp agpgart serio_raw psmouse scsi_mod snd_seq_device snd_timer snd_page_alloc snd_util_mem
snd_hwdep snd soundcore cdrom pcspkr usbcore ext3 jbd
CPU: 1
EIP: 0060:[<c0130113>] Not tainted VLI
EFLAGS: 00010202 (2.6.20.1 #3)
EIP is at module_put+0x20/0x52
eax: 6b6b6d6b ebx: 6b6b6b6b ecx: 00000001 edx: e0049000
esi: f60f7b08 edi: 6b6b6b6b ebp: ebc14e0c esp: e0049f58
ds: 007b es: 007b ss: 0068
Process udevd (pid: 7608, ti=e0049000 task=f7e6b030 task.ti=e0049000)
Stack: f7898edc c0183a5b 00000010 ed5bbb7c eccd0978 c0151253 00000000 00000000
f7ff2208 ed5bbb7c f75b5360 00000000 ed5bbb7c c014ed90 00000003 00000003
f75b5360 f75b53e0 c014fd89 00000003 00000007 00000003 e0049000 c0102bce
Call Trace:
[<c0183a5b>] sysfs_release+0x2d/0x4c
[<c0151253>] __fput+0x96/0x13c
[<c014ed90>] filp_close+0x51/0x58
[<c014fd89>] sys_close+0x70/0xa7
[<c0102bce>] sysenter_past_esp+0x5f/0x85
[<c0270033>] __sched_text_start+0x6b3/0x965
=======================
Code: 00 89 f0 83 c4 0c 5b 5e 5f 5d c3 53 89 c3 85 c0 74 49 b8 01 00 00 00 e8 5f 49 fe ff e8 3b 5b
07 00 c1 e0 07 8d 84 18 80 01 00 00 <ff> 08 83 3b 02 75 0b 8b 83 88 05 00 00 e8 a9 45 fe ff b8 01
00
EIP: [<c0130113>] module_put+0x20/0x52 SS:ESP 0068:e0049f58
<6>note: udevd[7608] exited with preempt_count 1
BUG: scheduling while atomic: udevd/0x10000001/7608
[<c026f9d6>] __sched_text_start+0x56/0x965
[<c011cc72>] irq_exit+0x37/0x42
[<c010d1d7>] smp_apic_timer_interrupt+0x70/0x79
[<c010369c>] apic_timer_interrupt+0x28/0x30
[<c0114b01>] __cond_resched+0x12/0x2c
[<c02708e9>] cond_resched+0x26/0x31
[<c01404d2>] unmap_vmas+0x3d3/0x4df
[<c0142cf5>] exit_mmap+0x7e/0x10a
[<c0116bd7>] mmput+0x1d/0x78
[<c011b322>] do_exit+0x1b2/0x6d8
[<c011007b>] sys_vm86+0x99/0x21d
[<c01040fc>] die+0x1f7/0x21c
[<c011180e>] do_page_fault+0x442/0x510
[<c01113cc>] do_page_fault+0x0/0x510
[<c027230c>] error_code+0x7c/0x84
[<c0130113>] module_put+0x20/0x52
[<c0183a5b>] sysfs_release+0x2d/0x4c
[<c0151253>] __fput+0x96/0x13c
[<c014ed90>] filp_close+0x51/0x58
[<c014fd89>] sys_close+0x70/0xa7
[<c0102bce>] sysenter_past_esp+0x5f/0x85
[<c0270033>] __sched_text_start+0x6b3/0x965
=======================
I would never have guessed THAT one :-) !!
Cheers,
Chris
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